<template>
	<view>
		<view class="feedback-title">意见反馈</view>
		<view class="feedback-content">
			<textarea class="feedback-textarea" v-model="content" placeholder="请输入您要反馈的问题" />
		</view>
		<view class="feedback-title">反馈图片:</view>
		<view class="feedback-image-box">
			<view class="feedback-image-item" v-for="(item,index) in imageLists" :key="index">
				<view class="close-icon" @click="del(index)">
					<uni-icons type="closeempty" size="18" color="#fff"></uni-icons>
				</view>
				<view class="image-box">
					<image :src="item.url" mode="aspectFill"></image>
				</view>
			</view>
			<view v-if="imageLists.length < 5" class="feedback-image-item" @click="addImage">
				<view class="image-box">
					<uni-icons type="plusempty" size="50" color="#eee"></uni-icons>
				</view>
			</view>
		</view>
		<button class="feedback-button" type="primary" @click="submit">提交反馈意见</button>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				imageLists : [],
				content:'',
			};
		},
		methods: {
			addImage() {
				const count = 5 - this.imageLists.length
				uni.chooseImage({
					count:count
				}).then((res) => {
					const [error,data] = res;
					console.log("data: ",data);
					const tempFilePaths = data.tempFilePaths
					tempFilePaths.forEach((item,index) => {
						if (index < count) {
							this.imageLists.push({
								url:item,
							})
						}
					})
				})
			},
			del(index){
				this.imageLists.splice(index,1)
			},
			async submit(){
				let imagePath = []
				uni.showLoading();
				for (let i = 0; i < this.imageLists.length; i++) {
					const filePath = this.imageLists[i].url
					filePath = await uniCloud.uploadFile({
						cloudPath:filePath
					})
					imagePath.push(filePath.fileID)
				}
				this.updateFeedback({
					content:this.content,
					feedbackImages : imagePath,
				})
			},
			updateFeedback({content,feedbackImages}){
				this.$Api.update_feedback({content,feedbackImages}).then((res) => {
					uni.hideLoading()
					uni.showToast({
						title: '反馈提交成功',
						icon:'none'
					});
					setTimeout(() => {
						uni.switchTab({
							url:'/pages/tabbar/my/my'
						})
					},2000)
				}).catch((res) => {
					uni.hideLoading()
					uni.showToast({
						title: '反馈提交失败',
						icon:'none'
					});
				})
			}
		},
	}
</script>

<style lang="scss">
.feedback-title{
	margin: 15px;
	font-size: 14px;
	margin-bottom: 0;
	color: #666;
}
.feedback-content{
	margin: 15px;
	padding: 10px;
	box-sizing: border-box;
	border: 1px #eee solid;
	
	.feedback-textarea{
		font-size: 12px;
		width: 100%;
		height: 100px;
	}
}

.feedback-image-box{
	display: flex;
	flex-wrap: wrap;
	padding: 10px;
	
	.feedback-image-item{
		position: relative;
		width: 33.33%;
		height: 0;
		padding-top: 33.33%;
		box-sizing: border-box;
		
		.close-icon{
			display: flex;
			justify-content: center;
			align-items: center;
			position: absolute;
			right: 0;
			top: 0;
			width: 22px;
			height: 22px;
			-webkit-border-radius: 50%;
			-moz-border-radius: 50%;
			border-radius: 50%;
			background-color: #ff5a5f;
			z-index: 2;
		}
		
		.image-box{
			display: flex;
			justify-content: center;
			align-items: center;
			position: absolute;
			top: 5px;
			right: 5px;
			bottom: 5px;
			left: 5px;
			border: 1px #eee solid;
			-webkit-border-radius: 5px;
			-moz-border-radius: 5px;
			border-radius: 5px;
			overflow: hidden;
			
			image{
				width: 100%;
				height: 100%;
			}
		}
	}
}

.feedback-button{
	margin: 0 15px;
	background-color: $mk-base-color;
}
</style>
